The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2005
Filed:
Jun. 18, 2001
Sylvain Joyeau, Rennes, FR;
Anne Abiven, Cesson Sevigne Cedex, FR;
Vicente Sanchez-leighton, Rennes, FR;
Sylvain Joyeau, Rennes, FR;
Anne Abiven, Cesson Sevigne Cedex, FR;
Vicente Sanchez-Leighton, Rennes, FR;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The invention concerns the sharing and the controlling of access to at least one peripheral for a computer system which includes a central processing unit and at the least one peripheral which has a physical interface to the central processing unit. Specifically, a request for access is received at an address of a virtual interface, where the address of the virtual interface corresponds to the physical interface, and data is exchanged between the central processing unit and the at least one peripheral is received. The received data is modified according to at least one predetermined criterion corresponding to the address of the virtual interface.